UPC1876 datasheet(30/42 Pages) RENESAS

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µPC1876

Data Sheet S11666EJ4V0DS00

(2/6)

Measurement

Set MUTE and FMONO pin to “L”.

Input monaural signal (100% modulation, f = 300 Hz) to COM pin. Measure output

voltage of ROT and LOT pin. Assume the output voltage of ROT pin “VROT” and the

output voltage of LOT pin “VLOT”.

VOLR = 20 log

VROT

VLOT

Set MUTE and FMONO pins to “L”.

Input monaural signal (30% modulation, f = 300 Hz) to COM pin. Assume output voltage

of ROT pin “V300(MO)”.

Input monaural signal (30% modulation, f = 1 kHz) to COM pin. Assume output voltage

of ROT pin “V1k(MO)”.

VOMO1 = 20 log

V1k(MO)

V300(MO)

Execute the same operation for LOT pin.

Set MUTE and FMONO pins to “L”.

Input monaural signal (30% modulation, f = 300 Hz) to COM pin. Assume output voltage

of ROT pin “V300(MO)”.

Input monaural signal (30% modulation, f = 3 kHz) to COM pin. Assume output voltage

of ROT pin “V3k(MO)”.

VOMO2 = 20 log

V3k(MO)

V300(MO)

Execute the same operation for LOT pin.

Set MUTE and FMONO pins to “L”.

Input monaural signal (30% modulation, f = 300 Hz) to COM pin. Assume output voltage

of ROT pin “V300(MO)”.

Input monaural signal (30% modulation, f = 8 kHz) to COM pin. Assume output voltage

of ROT pin “V8k(MO)”.

VOMO3 = 20 log

V8k(MO)

V300(MO)

Execute the same operation for LOT pin.

Set MUTE and FMONO pins to “L”.

Input monaural signal (30% modulation, f = 300 Hz) to COM pin. Assume output voltage

of ROT pin “V300(MO)”.

Input monaural signal (30% modulation, f = 12 kHz) to COM pin. Assume output voltage

of ROT pin “V12k(MO)”.

VOMO4 = 20 log

V12k(MO)

V300(MO)

Execute the same operation for LOT pin.

Set ST/SAP, FMONO pins to “H” and MUTE pin to “L”.

Input L-only signal (30% modulation, f = 300 Hz) to COM pin. Assume output voltage of

LOT pin “V300(ST)”.

Input L-only signal (30% modulation, f = 1 kHz) to COM pin. Assume output voltage of

LOT pin “V1k(ST)”.

VOST1 = 20 log

V1k(ST)

V300(ST)

Execute the same operation for ROT pin (R-only signal).

Set ST/SAP, FMONO pins to “H” and MUTE pin to “L”.

Input L-only signal (30% modulation, f = 300 Hz) to COM pin. Assume output voltage of

LOT pin “V300(ST)”.

Input L-only signal (30% modulation, f = 3 kHz) to COM pin. Assume output voltage of

LOT pin “V3k(ST)”.

VOST2 = 20 log

V3k(ST)

V300(ST)

Execute the same operation for ROT pin (R-only signal).

Parameter

Difference

between monaural

L and R output

voltage

Monaural total

frequency

characteristics 1

Monaural total

frequency

characteristics 2

Monaural total

frequency

characteristics 3

Monaural total

frequency

characteristics 4

Stereo total

frequency

characteristics 1

Stereo total

frequency

characteristics 2

Symbol

VOLR

VOMO1

VOMO2

VOMO3

VOMO4

VOST1

VOST2

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